Literary usage of Proglottid

Below you will find example usage of this term as found in modern and/or classical literature:

1.Biological Bulletin by Marine Biological Laboratory (Woods Hole, Mass.) (1907)"AN ABNORMAL CESTODE proglottid.1 EDWIN LINTON. In the summer of 1905, while
engaged in work for the Bureau of Fisheries at the Woods Hole Laboratory I found ..."

2.Fresh-water Biology by Henry Baldwin Ward, George Chandler Whipple (1918)"External proglottid limits not marked, or absent. Genital organs single in each
proglottid; all pores median. Vagina and uterus open in common female ..."

3.A Course in Invertebrate Zoölogy: A Guide to the Dissection and Comparative by Henry Sherring Pratt (1915)"One or more pairs of longitudinal nerves run parallel with and very near the
excretory canals, which are also joined in each proglottid by a ring commissure ..."